Trifluoroacetic acid → HCID 57635680, compound

Participants

Reaction Steps

Intermediate 39A (1.22 g, 3.17 mmol) was dissolved in DCM (10 mL) and TFA (5 mL) was added. The resulting mixture was stirred for 2 hours. The mixture was concentrated, toluene was added and the mixture was concentrated again and dried under vacuum to give 1.28 g of intermediate 64A which was used in the next step without purification. LCMS (+ESI) m/z 286.1 [M+H]+

Provenance & Evidence